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<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="css/style12.css">
    <title>Document</title>
</head>
<body>
    <article class="table">
        <nav>课程介绍</nav>
        <section>
            <ul>
                <li>编号</li>
                <li>标题</li>
            </ul>
        </section>
        <section>
            <ul>
                <li>1</li>
                <li>zimingzpp.com</li>
            </ul>
        </section>
        <section>
            <ul>
                <li>1</li>
                <li>zimingzpp.com</li>
            </ul>
        </section>
        <section>
            <p>你好阿</p>
            <ul>
                <li>1</li>
                <li>zimingzpp.com</li>
            </ul>
</section>
<SECTION>
    <UL>
            <LI>2</LI>
                <li>zhangpp</li>
            </ul>
        </section>
        <section>
            <ul>
                <li></li>
                <li></li>
            </ul>
        </section>
    </article>
    <div>

    </div>
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